What are Python variables. By definition, a variable is something that may change often in your program. First, you use variables to refer to various kinds of data such string, integer, list, etc. Then you manipulate this data through variables.
Cysts are non- cancerous, closed pockets of tissue that can be filled with fluid, pus, or other material. They can appear anywhere and feel like small peas under the surface of the skin. Cysts can develop as a result of infection, clogging of sebaceous glands (oil glands), or around foreign bodies, such as earrings.
On the Web. A cyst is simply a round fluid-filled mass (much like a water balloon). They can be found in almost every part of the body. The kidney is one of the most common sites for cysts. These are infact so common that about 50% of adults who have a kidney ultrasound will be found to have at least one kidney (or renal) cyst.